User Interface Manual
© Copyright 2006 Microwave Data Systems Inc. All Rights Reserved
6-14
MDS FIVE Series
05-4574A01, Rev. C
STM MS-
REI
IDU
The SDH/SONET Mux/
Demux has detected a
Remote Error at the
Multiplexer Level. Fault
detection via polling of
MS_REI_T bit in STM-1
Core. Alternate detection
via Interrupt enabled in
STM-1 core.
N/A
Solid
Major
STM MS-
RDI
IDU
The SDH/SONET Mux/
Demux has detected an
Remote Defect at the
Multiplexer Level. Fault
detection via polling of
MS_RDI_T bit in STM-1
Core. Alternate detection
via Interrupt enabled in
STM-1 core.
N/A
Solid
Major
STM
MS_B2
IDU
The SDH/SONET Mux/
Demux has a B2 Defect
at the Multiplex level.
Fault detection via polling
of MS_B2_T bit in STM-1
Core. Alternate detection
via Interrupt enabled in
STM-1 core.
N/A
Solid
Major
STM AU-
AIS x
IDU
The SDH/SONET Mux/
Demux has detected an
AIS at the AU Level.
Fault detection via polling
of AU_AIS_T bit in STM-
1 Core. Where ‘x’ is the
HP index. Alternate
detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Critical
Table 6-1
Alarm
Affected
Component
Description
LED to RED
Alarm
Code
Severity